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SWANA 18th Annual Landfill Symposium March 26, 2014

Gershman, Brickner & Bratton, Inc. 1

The Use of Global Positioning

Systems to Improve Landfill

Performance

SWANA 18th Annual Landfill Symposium

March 26, 2014

John Carlton, PE, BCEE, GBB

James Stenborg, PE, GBB

David Hildreth, CEC

Established in 1980

Solid Waste Management and Technology Consultants

Helping Clients Turn Problems into Opportunities

Established in 1989

Environmental Services and Engineering

Senior Leadership, Integrated Services & Personal Business Relationships

2



IT’S ROCKET SCIENCE

3

4



5

6



7

NAVSTAR

US Airforce

GLONASS

Russian Military

GALILEO

European Union

WHAT ARE THE

POTENTIAL

BENEFITS?

8



• Real-time waste compaction monitoringOperator Feedback

• Increased waste density and uniformityCompaction

• Improved fuel efficiency and productivityLess Fuel

• Monitor final grades to maintain complianceCompliance

• Used for liner and final cover constructionConstruction

• Records locations of special wasteRecord Keeping

• Reduced need for professional servicesLess Surveying

• Reduction in soil cover quantityLess Soil

9

GPS SYSTEMS

10



Caterpillar CAES System

AMW Waste Master

GeoLogic Computer Systems, Inc.

GeoShack

11

12



13

14



15

16



17

18



CASE STUDIES

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• 1,100 tpd

• CAT CAES System (2001)

• CAT 836 Compactor

• Improved compaction

• Reduced survey costs

• Reduced cover

• Increased machine productivity

• Reduced fuel usage

• Better slope management

Lanchester Landfill, Honey

Brook PA

Thanks to Bob Watts of Chester

County Solid Waste Authority

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Lanchester Landfill, Honey Brook PA

0

200

400

600

800

1,000

1,200

1,400

1,600

1,800

2,000

1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016

Air

spa

ce U

tiliz

ati

on

Fa

cto

r (

lbs

pe

r cu

bic

yard

)

Calendar Year

21

• 770 tpd

• GeoLogic Computer Systems (2006)

• CAT 836 Compactor


• Spot surveys


• Good tool for outer slopes

• Seeking to connect GPS and GIS

DANC Landfill, Rodman, NY

22

Thanks to Steve McElwain of DANC



DANC Landfill, Rodman, NY

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

Air

spa

ce U

tiliz

ati

on

Fa

cto

r (l

bs

pe

r cu

bic

ya

rd)

Calendar Year

23

• 1,300 tpd

• Topcon with Terramodel Software (2008)

• CAT 836 Compactors


• Reduced survey costs

• Reduced cover


• Increased machine productivity

• Better slope management

• Occasional software problems

Camelot Landfill,

Lewisville, Texas

24

Thanks to Kate Van Sanford of

Republic Services, Inc.



Camelot Landfill, Lewisville, TX

0

500

1000

1500

2000

2500

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

Calendar Year

Air

spa

ce U

tiliz

ati

on

fa

cto

r (

lbs

pe

r cu

bic

ya

rd)

25

AIRSPACE =

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AUF 1,250

4% increase

19,000 cyds/yr

$298,000

AUF 1,300

8% increase

37,000 cyds/yr

$596,000

27

1,000 tpd landfill

$25/ton

AUF 1,200 lbs/cyd

1,000 tpd Landfill

476,667

457,600

440,000

435,000

440,000

445,000

450,000

455,000

460,000

465,000

470,000

475,000

480,000

1,180 1,200 1,220 1,240 1,260 1,280 1,300 1,320

1,000 tpd

Airspace Utilization Factor (lbs per cubic yard)

An

nu

al

Co

nsu

me

d A

irsp

ace

(C

ub

ic Y

ard

s)

Airspace Gained = 19,067 CY

Est. Value = $297,917 Airspace Gained = 36,667 CY

Est. Value = $595,833

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IT’S NOT ALL

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• Expect $100,000 + capital and additional O&M

Cost

• Choose vendors who will provide training and support

Vendor Support

• Dogs and new tricksPersonnel

Acceptance

• Software, hardware, bad dataThings will go

wrong

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CONCLUSIONS

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GPS systems

Reduce soil usage

Reduce fuel consumption

Improve sideslopes

Reduce surveying

costs

Locate special wastes

32



Evidence from 3 case studies supports that GPS can improve landfill compaction

Evidence from 3 case studies supports that GPS can improve landfill compaction

Compaction improvements can be significant

Even small compaction improvements bring large $ gains

33

Manage the GPS SystemsManage the GPS Systems

Choose a responsive vendor

Train operators

Update hardware and software as necessary

Add repeaters as needed

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Thank you!!

Questions and comments?

Jim Stenborg, P.E.

Senior Project Engineer, GBB

703-663-2097

[email protected]

David Hildreth

Senior Project Manager, CEC

855-365-2324

[email protected]

John G. Carlton, P.E., BCEE

Senior Vice President, GBB

908-319-5992

[email protected]

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